CDCM1804RGER

Overview

Category: Integrated Circuit
Use: Clock Generator
Characteristics: High-performance, low-jitter clock generator
Package: QFN-24
Essence: Generates multiple clock signals with precise timing
Packaging/Quantity: 1 piece per package

Specifications and Parameters

• Supply Voltage: 3.3V
• Output Frequency Range: 10MHz to 2.7GHz
• Number of Outputs: 4
• Output Types: LVPECL, LVDS, HCSL
• Phase Noise: -150dBc/Hz (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The CDCM1804RGER has a total of 24 pins. The pin configuration is as follows:

1. VDDA
2. VSSA
3. OUT0
4. OUT1
5. OUT2
6. OUT3
7. VDDO
8. VSSO
9. GND
10. SDA
11. SCL
12. VDDI
13. VSSI
14. CLKIN
15. VDDX
16. VSSX
17. XTALP
18. XTALN
19. VDDXTAL
20. VSSXTAL
21. VDDPLL
22. VSSPLL
23. PLL_LOCK
24. VDDPLL

Functional Characteristics

• Generates up to four high-quality clock signals simultaneously
• Low phase noise for improved signal integrity
• Wide output frequency range for versatile applications
• Supports various output types (LVPECL, LVDS, HCSL)
• Flexible control interface using I2C bus

Advantages and Disadvantages

Advantages: - High-performance clock generation - Low jitter for precise timing requirements - Multiple output options for compatibility with different systems - Easy control and configuration through I2C interface

Disadvantages: - Limited number of outputs (4) - Requires external crystal or clock input for operation

Applicable Range of Products

The CDCM1804RGER is suitable for a wide range of applications that require high-quality clock signals. It can be used in various electronic devices, including:

• Communication systems
• Networking equipment
• Test and measurement instruments
• Data storage devices
• Industrial automation systems

Working Principles

The CDCM1804RGER operates by generating clock signals based on an external reference clock or crystal oscillator input. It uses a phase-locked loop (PLL) to multiply and divide the frequency of the input signal to generate multiple output clocks with precise timing characteristics.

Detailed Application Field Plans

1. Communication Systems: The CDCM1804RGER can be used in communication systems to provide synchronized clock signals for data transmission and reception modules.
2. Networking Equipment: It is suitable for networking equipment such as routers and switches, where accurate clock synchronization is crucial for reliable data transfer.
3. Test and Measurement Instruments: The clock generator ensures precise timing in test and measurement instruments, improving accuracy and repeatability of measurements.
4. Data Storage Devices: It can be utilized in data storage devices like solid-state drives (SSDs) to synchronize data read and write operations.
5. Industrial Automation Systems: The CDCM1804RGER is ideal for industrial automation systems that require synchronized clock signals for precise control and coordination of various processes.

Detailed Alternative Models

Some alternative models to the CDCM1804RGER include:

1. CDCM6208RGZT: 8-output clock generator with similar features and performance.
2. CDCM7005RGZT: Clock generator with integrated voltage-controlled oscillator (VCO) for wider frequency range.
3. CDCM9102RGZT: Dual-output clock generator with selectable output types and low phase noise.

5 Common Technical Questions and Answers

1. Q: What is the maximum output frequency of the CDCM1804RGER? A: The CDCM1804RGER can generate clock signals with frequencies up to 2.7GHz.

2. Q: Can I use the CDCM1804RGER without an external reference clock or crystal oscillator? A: No, the CDCM1804RGER requires an external reference clock or crystal oscillator input for operation.

3. Q: How many output types does the CDCM1804RGER support? A: The CDCM1804RGER supports three output types: LVPECL, LVDS, and HCSL.

4. Q: What is the typical phase noise performance of the CDCM1804RGER? A: The CDCM1804RGER has a typical phase noise of -150dBc/Hz.

5. Q: Can I control